So first you would substitute j and k in the expression.
7(0.5)+5-8(0.25)
3.5+5-2
It would equal 6.5
Hope this helps!
I want to say 5 but I'm not sure
Answer:
9
Step-by-step explanation:


9
First, what's 3 to the power of 8?
Then what's 3 to the power of 10
Now subtract them by each other for your answer
Answer:
Choice A x= 16, y= 9√2
Step-by-step explanation:
x= 9+7 =16
y= √9²*2= 9√2